package thread;

class MyThread extends Thread {
    @Override
    public void run() {
        while (true) {
            System.out.println("hello thread");
            try{
                Thread.sleep(1000);
            }catch (InterruptedException e){
                throw new RuntimeException(e);
            }
        }
    }
}


public class Demo1 {

    public static void main(String[] args) throws InterruptedException {
        //创建Thead类的子类，在子类重写run方法
        Thread t = new MyThread();
        t.start();

        while (true) {
            System.out.println("hello main");
            Thread.sleep(1000);
        }
    }


}
